Update dependabot.yml

.github/dependabot.yml

@@ -17,24 +17,7 @@ updates:
     # Allow dependabot to open up to 10 open pull requests. Default is 5.
     # open-pull-requests-limit: 10
     allow:
-      # only enable for the yosys-symbiflow-plugins submodule
+      # Enable for the yosys-symbiflow-plugins submodule
       - dependency-name: "yosys-plugins"
-  - package-ecosystem: "gitsubmodule"
-    directory: "/"
-    schedule:
-      interval: "monthly"
-      time: "00:00"
-      timezone: "America/Denver"
-    #assignees:
-    #  - "username"
-    #labels: need to add the required label to the repo first!
-    #  - "submodule-updates"
-    # must use the full team name, including the organization, as if you were @mentioning the team
-    reviewers:
-      - "tangxifan"
-      - "tpagarani"
-    # Allow dependabot to open up to 10 open pull requests. Default is 5.
-    # open-pull-requests-limit: 10
-    allow:
-      # only enable for the yosys submodule
+      # Enable for the yosys submodule
       - dependency-name: "yosys"